/********************************************************
**	getElementsByClassName function
*********************************************************/
document.getElementsByClassName = function (needle) {
  var my_array = document.getElementsByTagName("*");
  var retvalue = new Array();
  var i;
  var j;

  for (i = 0, j = 0; i < my_array.length; i++) {
    var c = " " + my_array[i].className + " ";
    if (c.indexOf(" " + needle + " ") != -1)
      retvalue[j++] = my_array[i];
  }
  return retvalue;
}

/********************************************************
**	addEvent handler
**	obj = object to attach event to
**	evType = Event type (load, unload, click, etc.)
**	fn = function
*********************************************************/
function addEvent(obj, evType, fn) {
	if (obj.addEventListener) {
		obj.addEventListener(evType, fn, true);
		return true;
	} else if (obj.attachEvent) {
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}

/********************************************************
**	removeEvent handler
**	obj = object to attach event to
**	evType = Event type (load, unload, click, etc.)
**	fn = function
*********************************************************/
function removeEvent(obj, evType, fn) {
	if (obj.removeEventListener) {
		obj.removeEventListener(evType, fn, false);
		return true;
	} else if (obj.detachEvent) {
		var r = obj.detachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}
/********************************************************
**	general focus functions
*********************************************************/

function focusControl(controlId) {
	document.getElementById(controlId).focus();
}
function focusControlError(controlId) {
	document.getElementById(controlId).focus();
	document.getElementById(controlId).className = 'error';
}
function clearControl(controlId) {
	var theDefault = document.getElementById(controlId).defaultValue;
	//var theDefault = "";
	var theValue = document.getElementById(controlId).value;
	if (theValue == theDefault) {
		document.getElementById(controlId).value = '';
		document.getElementById(controlId).style.border.color = '#f00';
	}
}
function clearFocusControl(controlId) {
	clearControl(controlId);
	focusControl(controlId);
}

/********************************************************
**	pop up
**	standard pop up function
*********************************************************/
function popup(theURL, theName, theAttributes) {
    window.open(theURL, theName, theAttributes);
}